| machinery | maquinaria |
| machinery and equipment | máquinas e equipamentos |
| Machinga District | Machinga |
| Machinima | Machinima |
| machinist | maquinista |
| machismo | machismo |
| macho | machista |
| Machu Picchu | Machu Picchu |
| Maciej Żurawski | Maciej Żurawski |
| macintosh | impermeável |
| Macintosh Finder | Finder |
| Macintosh LC | Macintosh LC |
| Macintosh Performa | Macintosh Performa |
| mack | impermeável |
| Mackay | Mackay |
| Mackenrode | Mackenrode |
| Mackenzie | Mackenzie |
| Mackenzie Mountains | Rio Mackenzie |
| Mackenzie River | Rio Mackenzie |
| mackerel | cavala |
| mackintosh | impermeável |
| Macle | Macla |
| Macon County | Condado de Macon |
| Macov | Macov |
| Macquarie | Ilha Macquarie |
| Macquarie Island | Ilha Macquarie |
| Macquarie River | Ilha Macquarie |
| macrame | macramé |
| macramé | macramé |
| Macrauchenia | Macrauchenia |
| Macrinus | Macrino |
| Macro substitution | Macro |
| Macro-Gê languages | Macro-jê |
| macrobiotic | macrobiótico |
| macrocosm | macrocosmo |
| macroeconomic goal | metas macro-económicas |
| macroeconomics | macroeconomia |
| Macrolide | Macrólido |
| Macromedia Authorware | Macromedia Authorware |
| Macromedia Director | Macromedia Director |
| Macromedia FlashPaper | Macromedia Flashpaper |
| Macromedia FreeHand | Macromedia Freehand |
| macrophyte | macrófitas |
| Macroplaza | Macropraça |
| Macropodidae | Canguru |
| Macropodiformes | Diprotodontia |
| Macropoma | Macropoma |
| Macropus | Canguru |
| macroscopic | nacroscópico |
| Macross | Macross |
| Macrotarsomys | Macrotarsomys |
| Macuahuitl | Macuahuitl |
| Maculelê | Maculelê |
| Macushi | Macuxis |
| mad | estúpido |
| Mad About You | Mad About You |
| mad as a hornet | fora de si |
| mad as a wet hen | fora de si |
| mad house | manicômioe espeto |
| Mad Magazine | Revista Mad |
| Mad Max | Mad Max |
| Mad Max Beyond Thunderdome | Mad Max Beyond Thunderdome |
| Mad scientist | Cientista louco |
| Madadayo | Madadayo |
| Madagascan | Malgaxe |
| Madagascar | Madagáscar |
| Madagascar Long-eared Owl | Asio madagascariensis |
| Madagascar national football team | Seleção Malgaxe de Futebol |
| Madagascar Serpent-eagle | Eutriorchis astur |
| Madalena | Madalena |
| madam | senhora |
| Madam Butterfly | Madama Butterfly |
| Madam Mim | Madame Min |
| Madam Rosmerta | Madame Rosmerta |
| Madama Butterfly | Madama Butterfly |
| madame | madame |
| Madame Blavatsky | Helena Petrovna Blavatsky |
| Madame Bovary | Madame Bovary |
| Madame de Pompadour | Madame de Pompadour |
| Madame du Barry | Madame du Barry |
| Madame Royale | Madame Real |
| Madame Swetchine | Anne Sophie Soymonof |
| Madame Tussauds | Madame Tussauds |
| Madame Web | Madame Teia |
| Madawaska River | Madawaska |
| madden | enraivecer |
| maddening | enlouquecedor |
